# Calculus (Answer Check)

86,499 results, page 70

### Physics please check repost

Three moles of an ideal monatomic gas are at a temperature of 345 K. Then, 2531 J of heat are added to the gas, and 1101 J of work are done on it. What is the final temperature of the gas? delta U= 3/2nR(T final -T initial) (2531J - 1101J) = 3/2(3.0mol)(8.31)(T final - 345K) ...

### i need help,math

okay i am completely lost after reviewing everything my mind is blank cans some one help me with the steps. Solve by completing the square x^2=5x+2 1st: You need to bring the 5x+2 to the other side so you have x^2-5x-2 2nd: Find the values to where when multiplied equal -2 and...

### calc

Let f(x)= 4 and g(x)= ãx-2 : X2 - 4 f o g(11)=ANSWER: ãX-2/ 11-2 =ã9=3 4/32 -4 = 4/5 f o f(0)=ANSWER Determine the Domain of f o g=ANSWER:

### Math

4(2x - 3) - 4x (answer all that apply) 4x – 12 *my answer* 3x – 4 *my answer* 3(2x – 6) 4(x – 5)

### chemistry

Under the appropriate conditions, NO forms NO2 and N2O: 3NO(g) <--> N2O(g) + NO2(g) Use the values for delta G naught for the following reactions to calculate the value of Kp for the above reaction at 500.0 C 2NO(g) + O2(g) <--> 2NO(g) delta g=-69.7 kJ 2N2O(g) <...

### math correctionplz

can someone correct these also for me.. Which of the following is not a polynomial? a) 24 b) 4x^3+5x-1 c)2x-(1)/(x) d)3xy^2+xy MY answer is: A Simplify. write your answer with only positive exponents (y^5)/(y^10) Possible answers: a)y^2 b)(1)/(y^2) c)(1)/(y^5) d) y^5 My answer...

### English

I give an examination tomorrow.So I need a help. Nearly crying,her little sister wanted to be left ( )herself. You will choose your answers blow. a.for b.with c.on d.to I think that best answer is a.But It didn't match its answer.Its answer is d.But I don't think so.Why is d?

### coor. algebra

Okayy so my class is doing conversions annnd.I need help ALOT. 130 meters per second into miles per hour . If you answer can you show me how you got the answer and how to know of the answer is right?

### SAT Math

If x and y are positive integers, which of the following could be equal to 3x+ 4y? The answer is 10, but not sure on how to get the answer? Also, is there a short cut to get to the answer without taking a lot of time on the SAT to work this type of problem out? Thank you

### Math

Hey there, just need help with these two. I need someone to help explain them to me/break them down. 1. gr 1/100=_____mg Answer: 0.6 2. 0.3mg= gr_____ Answer: 1/200 3. gr iii /ss= ______mg Answer: 210 Thank you in advance!

### Math

What is 1 7/12 - 3/20 equal to? I tried to do this question but I couldn't quite get the answer. For the directions of the work, its says use the least common multiple as the denominator and when I came across this one, I couldn't quite get the answer. If anyone, who knows the...

### AP US History

What was Thomas Jefferson's party called against Hamilton's Federalist party? Check this site for your answer. http://www.pbs.org/wgbh/amex/duel/peopleevents/pande05.html

### math (check answer plz)

2. A jar contains blue, red, yellow, and green marbles. P(blue)=1/4. What type of probability is illustrated and why? A. Experimental; the result is based on the number of possible outcomes. B. Experimental; the result is found by repeating an experiment. C. Theoretical; the ...

### Algebra 1

solve for x and check you result -4(2x-3)=-8+5

### Math (Check

Subtract and Simplify 2/3 - 1/5 = 1/2

### algebra

Can you check these problems? 3x+13=96 x=6 -8-7x=-120 x=8

### Math Help PLEASE

Divide and Check 4x^9-6x^4+6x^2/2x^2

### math

hi, can someone check these answers for me 1.8-13=-5 2.-4-10=-4 3.5-24=-19 4.7-(-3)=10 5.-2-(-6)=4 6.-18-(-7)=-11 thanks

### social studies

what are check and balances?

### math

solve and check results 3x + 7(x-2)-13=12-3x

### math

Solve,graph,and check 12<6x+b

### algebra

x^+5x-6=0 x^+5x-6=(x+2)(x-3) (x+2)(x-3)=0 x+2=0 or x-3=0 x=-2, or x=-3 check this please let me know if right.

### college algebra

x/2-x/x-4=-4/x-4=-4x^2/2 check this please

### college algebra

3/t-3=5/t+4 3(t+4)(t-3)(5) check this problem

### math

Y^2-4y+3/y^2-9*4y+12/y2-2y+1= 16y^4+36/2y^5+8 check this please

### UOP

necessary to perform a check?

### algebra check

add or subtract, -8-3 -8-3= -8+(-3) 3+8= -11

### algebra

Solve algebraically and check x^2 + 4y^2 = 4 x = 2y - 2

### equation

Solve algebraically and check y = x^2 - 3 x + y = -1

### math

solve the equation and check 1.9(5-x)=1.7(3-x)

### algebra

solve the equation and check -(9x-4)-(2x-6)+7=-8(x-9)-(6x+2)+4

### math

solve the equation and check 1/5(y+3)+3=1/10(7y-4)-5

### math

solve the equation and check -(9x-4)-(2x-6)+7=-8(x-9)-(6x+2)+4

### Math - derivative of f(x) (check)

f(x) - x/(x-1) then f'(x) = -1/(x-1)^2 is that correct?

### math 050

Solve and check 2/3=x/42

### Math

estimate a 15% tip on a $42.65 check

### math- check me

f(x)=3 -4|-11+x| -4|-11+3| -4|8| Do I divide or multiply?

### intermediate algebraDivide

divide and check t^2 - 13 --------- t - 4

### algebra

can you check if im right? -7 + 9 i got 2 -23 - 12 -23 + -12 = -35 8 - (-5) 8 + 5 = 13 -12 + 7 = -4 5 - 14 5 + (-14) = -9 12 + (-8) = 4 8 - 13 8 + (-13) = -5 -5 - 16 -5 + -16 = -21 13 - 17 13 + -17 = -4 -26 + (-14) = -40 -26 + 13 = -13 |-2| + 5 2 + 5 = 7 |-32| + |5| - 25 32 + ...

### algebra compare <>=

can you check if im right? -7 = 7 |-3|= |3| |-9| > -4 8 > -15

### algebra

can you check if right? 3 [(18-3) + 4 (5 +7)] i got 93

### Math

Please check- I got 10 4(9-2)/2^2+3

### math

can you check: 3/5 a = 3 i got : a = 5 is that right?

### Algebra

Divide and check: (3x^2-2x-13)divided by (x-2)

### For Reiny

If you could go back and check my reply to you. thanks

### Algebra. .

Can you check 2/3 k = 60 I got:: 3 2 k = 60 * 3 = 90 ________________ 2 3 1 2 = 2 K = 90/2 K = 45

### algebra

where should l go and check my answers

### math

Solve and check each equation. 5 - y/2 = 3

### Math

Pls check - Solve 9^2-7 (16÷2^3) 9^2-7 (16÷8) 81-7 (2) 81-14 67

### Math

Pls check - Solve 9^2-7 (16÷2^3) 9^2-7 (16÷8) 81-7 (2) 81-14 67

### ms.sue please help

can you check my last post

### Math

x * 2x = 2x^2 (check) 5x^3 + 2x^5 = ? Can you add these two?

### Algebra (Check My Work)

(7a)^-2 1/(7a^2) 1/49a^2

### math check

23/17 < 5/3 Found LCD 69/51 85/51

### math check

23/17 < 5/3 Found LCD 69/51 85/51

### math *check* (PERMUTATION)

simplify 3! . . . . . . . . A.2 B.5 C.3 D.6*************?

### Math

-80=8b-15+5b How do I solve this and what does check mean?

### Mrs.Sue

Can u check my last question 16.

### Math

Solve and check. ( 3 marks) 5/(x-1)+2/(x+1)=-6

### Math

Solve and check. ( 3 marks) (5)/(x-1) + (2)/(x+1)=-6

### math

Solve: Check your solution. 3y - 7 = -3y + - 19

### pre-algebra

3x + 4=19 x=5 -32=24-2f f=16 Please check.Thank you.

### pre-algebra

3m-4=14 m=6 11=2y-15 y=13 Please check Thank you.

### math

Please check 5n-30=-20 N=2 5=h/4+9 H=16 -m/3-2=10 M=-36 M/8+5.6=9.85 M=34 36-4r=24 R=3 14==-16-10n N=3 -4x+7=-9 X=4 3y-6=20 Y=8 2/3 6n+16=36 N=3 1/3

### math

Please check -37=3x+11-7x -48=11x X=2 2/7 -m/3-2=10 -m/3=6/-3 M=-2

### Math

4s-(3-2s)-6=9 Please check my work: 4s-3+2s-6=9 6s-9=9 3s=18 s=3

### english

can anyone check my work?please

### Math

1 1/7 x 1 3/4= 8/7 x 7/4= 56/28 56/28=2 Please check on the above.

### Geometry

2. If m 1= 53 what is m<4. 53 43 *** 37 27 3. If m 1= 55 what is m<5 55 40 *** 35 25 Please check my answers.

### English

Hi can you check please if I did correct!

### Pre-Algegra

5(x - 1) + -3x + 6 =9 check plz x = 4??

### Math

Roots. Solve and check 1/4 -1/x+6= 1/x

### Math

5/6x2/3= 10/18=5/9 Can you check this problem for me?

### math

Plz check my work 8*8=64 9*9=81 7*8=56 7/21=3 8/32=32

### Math 114

Solve and check x+y=12;y=3x x+y=12;y=3x x+3x=12 4x=12 4x/4=12/4 x=3 y=3x y=(3)(3) y=9

### Can anyone check this?

display.cgi?id=1504162458

### Math (Check answers)

what is the solution to m+(-10)=-33 a.m=-33 b.m=-23** c.m=23 d.m=33

### Science Check answer

Key: ☺ = My Answer! 1. The thermal energy of an object is _____. its potential energy its average kinetic energy ☺ its potential energy minus its kinetic energy its kinetic energy plus its potential energy 2. A device that can be used both for cooling and heating ...

### chemistry check

A) Write a balanced chemical equation for the reaction between sulfuric acid and potassium hydroxide. I got H2SO4 + KOH ---> H2OH + KSO4 B) Write the ionic equation for the reaction. H2 + S2O4-2 + K + OH- ---> H2 + OH + K2SO4-2 C) Write the net ionic equation I'm not ...

### British & American Government Question

In comparing the British and American systems of government,which statement is true: A. Britain's government was created by a single document that is very similar to the U.S. Constitution. B. The House of Lords is the most powerful branch of Britain's government. C. There is ...

### Calculus Help

Based on the following table of values for the function w(t), answer the questions below. t= 100 110 120 130 140 150 w(t)= 2.6 7.3 12.7 19 26.1 34.1 a) Which of the following best describes the derivative of w(t)? A. changes sign B. always positive C. always negative b) Which ...

### Chemistry(Please check)

1) choose the correct statement about the postulates of kinetic theory of gases. a) a sample of a gas consists of a small number of large particles close together. b) the movement of gas molecules is predictable, not random. c) when gas molecules collide, they permanently ...

### chemistry

I was way off on the other problem. But I see how you got the answer. Last one...thanks i'm learning more here thn class What is the sum of the coefficients (including “1”) of the following reaction? Sodium sulfate + calcium hydroxide ??? Write the equation (double ...

### science

hello jishka reply to me immediately wasn't that i told you i think this isnot a good website if i don't get the answer What kind of answer do you want? We are here to help you, but don't expect an immediate answer. We are not on line all of the time. Please repost with ...

### Math just explain

Why do I get different answer when I use the quadratic equation? In finding the zeros of a function. I used factoring and completing the squares and it gave me the same answer.. How am I going to defend that my answer using quadatic formula is also right ?

### Mathematics!

Yolanda and Yoko ran in a 100-yd dash. When Yolanda crossed the finish line, Yoko was ten yd behind her. The girls then repeated the race, with Yolanda starting 10 yd behing the starting line. If each girl ran at the same rate as before, who won the race? By how many yards? I ...

### Calculus II

Does anyone know of a very good website that can teach me to better understand the disk, washer, shell method to finding volume of irregular figures (solid of revolution)using of course, integration techniques (such as when to recognize integration with respect to y or X for ...

### Algebra

Can you tell me if my answers are correct for these problems? 1. 3i - 10 --------- 8i - 5 Answer 74 65i ---- + ----- 89 89 2. 11i^2 + 1 ----------- -12i - 8 Answer: 5 (2 - 3 i) ------------- 26 3. square root -25 * 8 square root -49 Answer: -280 4. square root -64 + 12 square ...

### Psychology

3.If you adopt the _______ perspective, you'll reject an emphasis on what goes on in people's minds in favor of focusing on measurable behaviors that can be objectively measured. A. psychodynamic B. neuroscience C. cognitive D. behavioral 4.Agatha maintains that people are ...

### fianance

can you check my answers if they are correct thank you 1.) A convertible bond is currently selling for $945. It is convertible into 15 shares of common which presently sell for $57 per share. What is the conversion premium? A. $90 B. $45 C. 57 shares D. 13 shares Answer c 2.) ...

### Spanish7th grade-Please check

Could you please check these two answers: 1.Fill in the blank with what would logically follow: primero,_______ I think it is segundo, correct? 2.Fill in blank with what would logically follow: tercero_________ I think it is cuarto, correct? 3. In a Mexican school, the school ...

### math check

Posted by TchrWill on Thursday, July 14, 2005 at 5:44pm. 2.)The sum of four consecutive odd integers is -336. Set up an equation AND solve for all of the integers. Two ways to approach this. -336/4 = -84 making the 4 consecutive odd numbers -81, -83, -85 and -87. Alternatively...

### US History

Is anyone on here in AP US History? Ask your question, state your thinking on it. Yes is the answer to your question. What were the Lincoln-Douglass debates? Check this site for information bout these debates. http://www.nps.gov/archive/liho/debates.htm

### English

Well, can you walk my dog? You can take her to the park. Answer 1. No problem, but I'm very busy today. Answer 2. Sure, I will, but I'm very busy today. Answer 3. Don't worry, but I'm very busy today. Answer 4. I think I can, but I'm very busy today. Answer 5. I'd like to, but...

### English

When making multiple choice quiz for students about speaking. Do I need to use question marks in the answer choices. Example- Hello how are you. a)fine thank you and you b)good wasup c)I'm ok Answer (a) is the answer to the question but in itself is a question. I have searched...

### french

Part 2 directions: complete with either es, s, ées, 1. Voilà les photos que j'ai --------. (prendre) Answer: prises 2. C;est toi qui les as --------? (prendre) Answer: prises 3. Bien sûr! Je t'assure que je ne les ai pas ---------.(acheter) Answer: achetes 4. Tu ne les as ...

### Microeconomics

The poverty rate would be substantially lower if the market value of in-kind transfers were added to family income. The largest in-kind transfer is Medicaid, the government health program for the poor. Let's say the program costs $7,000 per recipient family. (a) If the ...

### Calculus Bonus

There is this bonus that I need so bad for my grade. I have tried several ways to answer this question and have tried several equations. Please Help Bouquets are priced on the basis of the numbers and types of flowers used. What is the price of the fourth bouquet? Bouquet 1 = ...

### calculus

In electrical engineering, a continuous function like f(t)=sin(t), where t is in seconds, is referred to as an analog signal. To digitize the signal, we sample f(t) every ∆t seconds to form the sequence Sn= f(n∆t). For example, sampling f every 1/10 second produces the ...